United Nations. Dept. of Economic and Social Affairs. (1974). National systems of water administration. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Dept. of Economic and Social Affairs. National Systems of Water Administration. New York: United Nations, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Dept. of Economic and Social Affairs. National Systems of Water Administration. United Nations, 1974.
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